CN112332338B - Cabin penetrating sealing method and structure for photoelectric composite cable - Google Patents
Cabin penetrating sealing method and structure for photoelectric composite cable Download PDFInfo
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- CN112332338B CN112332338B CN202010948043.8A CN202010948043A CN112332338B CN 112332338 B CN112332338 B CN 112332338B CN 202010948043 A CN202010948043 A CN 202010948043A CN 112332338 B CN112332338 B CN 112332338B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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Abstract
The invention discloses a sealing method and a sealing structure for a penetration of a photoelectric composite cable, aiming at reducing connection loss and improving pressure resistance and sealing performance. The cabin penetrating sealing structure of the photoelectric composite cable comprises a cabin penetrating piece shell for the stripping end of the photoelectric composite cable to penetrate through, and a sealing gasket is arranged between the cabin penetrating piece shell and an outer sheath of the photoelectric composite cable to play a role of radial sealing; the bearing aramid fiber of the photoelectric composite cable is bonded in the cabin penetrating piece shell through epoxy resin glue, and the tensile force of the photoelectric composite cable is transmitted to the cabin penetrating piece shell; the transmission optical fiber and the transmission electric wire of the photoelectric composite cable are respectively separated by the fiber distribution plate and the wire distribution plate in the cabin penetrating piece shell, and the gap between the transmission optical fiber and the transmission electric wire is filled with epoxy resin glue to play a role in axial sealing; the transmission optical fiber and the transmission wire are folded and led out of the cabin penetrating piece shell through the fiber combining disc.
Description
Technical Field
The invention belongs to the technical field of photoelectric sensing engineering, and particularly relates to a cabin penetrating sealing method and a cabin penetrating sealing structure for a photoelectric composite cable.
Background
In deep sea photoelectric sensing detection field, need transmit the photoelectric signal who detects to inside the electronic sealed cabin sometimes, photoelectric signal passes through the transmission of photoelectric composite cable, for the reliable transmission to the electronic cabin of signal that will detect, prior art generally adopts watertight photoelectric connector to transmit, but watertight photoelectric connector sealing reliability is low, and can not bear the high pressure.
Disclosure of Invention
The invention mainly aims to provide a photoelectric composite cable cabin-penetrating sealing method and a photoelectric composite cable cabin-penetrating sealing structure which are low in connection loss, high in pressure resistance and high in sealing reliability.
In order to achieve the purpose, the following technical scheme is adopted in the application:
a penetration sealing method for a photoelectric composite cable comprises the following steps: stripping the photoelectric composite cable to expose the internal transmission optical fiber, the transmission wire and the bearing aramid fiber, cutting off the bearing aramid fiber and reserving a proper length according to requirements;
sleeving a compression nut, a gasket, a retainer ring and a sealing gasket on the outer sheath of the photoelectric composite cable in sequence, screwing the compression nut into the cabin penetrating piece shell, and screwing tightly;
sleeving the transmission optical fiber and the transmission wire into a distribution board, installing the distribution board in place, and filling epoxy resin glue into the distribution board; after the epoxy resin glue is cured, sleeving the transmission optical fiber and the transmission wire into the fiber distribution plate, and filling and sealing the epoxy resin glue between the fiber distribution plate and the fiber distribution plate;
after the epoxy resin adhesive is cured, sleeving the transmission optical fiber and the transmission wire into a fiber combination disc, and filling silicon rubber into the fiber combination disc;
when the tail vulcanized sealing rubber is vulcanized, firstly, a polyurethane adhesive is coated on the outer surfaces of the cabin penetrating member shell and the photoelectric composite cable, then, the cabin penetrating sealing structural member is installed in a vulcanization mold, and the prepared vulcanized sealing rubber is poured into the vulcanization mold for vulcanization sealing;
and finally, the cabin penetrating piece shell is arranged in a sealing hole reserved in the sealing cabin body and is connected through a connecting screw.
A cabin penetrating sealing structure of a photoelectric composite cable comprises a cabin penetrating piece shell for a stripping end of the photoelectric composite cable to penetrate through, and a sealing gasket is arranged between the cabin penetrating piece shell and an outer sheath of the photoelectric composite cable to play a role in radial sealing;
the bearing aramid fiber of the photoelectric composite cable is bonded in the cabin penetrating piece shell through epoxy resin glue, and the tensile force of the photoelectric composite cable is transmitted to the cabin penetrating piece shell;
the transmission optical fiber and the transmission electric wire of the photoelectric composite cable are respectively separated by the fiber distribution plate and the wire distribution plate in the cabin penetrating piece shell, and the gap between the transmission optical fiber and the transmission electric wire is filled with epoxy resin glue to play a role in axial sealing; the transmission optical fiber and the transmission wire are folded and led out of the cabin penetrating piece shell through the fiber combining disc.
Specifically, a plurality of sealing gaskets are arranged side by side, a check ring is arranged between every two adjacent sealing gaskets, a compression nut is screwed at one end of the cabin penetrating piece shell, through which the photoelectric composite cable penetrates, and a gasket is arranged between the compression nut and the sealing gasket; when gland nut is rotatory, and form sliding friction between the packing ring, reduce the moment of torsion that transmits retaining ring and sealed pad to reduce torsion to the sealed destruction of filling up, and compress tightly retaining ring and sealed pad, force sealed pad to warp and realize sealing, the retaining ring that sets up between the sealed pad can be so that the even distribution of pretightning force on the sealed pad, avoids sealed atress uneven, reduces sealed effect.
Specifically, vulcanized sealing rubber is covered between the outer surface of one end of the cabin penetrating piece shell, through which the photoelectric composite cable penetrates, and the outer sheath of the photoelectric composite cable at the end.
Specifically, the sealing gasket is made of a silicon rubber material, the check ring is made of a polytetrafluoroethylene material, and the vulcanized sealing rubber is made of a polyurethane material.
Specifically, a polyurethane adhesive is coated on the cabin penetrating piece shell and the vulcanized surface of the photoelectric composite cable, so that the adhesive property of vulcanized sealing rubber and a base material is improved.
Specifically, a section of electric wire is selected at the position where the transmission electric wire is sealed by epoxy resin glue, and the outer skin of the electric wire is removed through circular cutting, so that the water leakage of the gap between the outer skin of the electric wire and the core wire is prevented.
Specifically, the fiber combining disc folds the transmission optical fiber and the transmission wire, and soft silicon rubber is filled in the fiber combining disc, so that excessive bending damage of the transmission optical fiber and the transmission wire is prevented.
Specifically, the cabin penetrating part shell and the cabin wall are sealed through a sealing ring and are fixedly connected through a connecting screw.
Compared with the prior art, the invention has the advantages of high water pressure resistance, high sealing reliability and the like, and passes radial and axial water pressure tests of 46 MPa.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a cabin-penetrating sealing structure of an optical-electrical composite cable provided by an embodiment of the invention;
wherein: 1-silicon rubber, 2-fiber combination disc, 3-transmission optical fiber, 4-fiber distribution disc, 5-epoxy resin glue, 6-transmission wire, 7-fiber distribution disc, 8-bearing aramid fiber, 9-sealing ring, 10-cabin penetrating piece shell, 11-connecting screw, 12-check ring, 13-sealing gasket, 14-gasket, 15-vulcanized sealing rubber, 16-gland nut and 17-photoelectric composite cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a cabin penetrating sealing structure of a photoelectric composite cable comprises a cabin penetrating part shell 10 for a stripping end of the photoelectric composite cable to penetrate through, a sealing gasket 13 is adopted between the cabin penetrating part shell 10 and an outer sheath of the photoelectric composite cable 17 for radial sealing, a bearing aramid fiber 8 of the photoelectric composite cable 17 is bonded inside the cabin penetrating part shell 10 through an epoxy resin adhesive 5, the tensile force of the photoelectric composite cable 17 is transmitted to the cabin penetrating part shell 10, a transmission optical fiber 3 and a transmission wire 6 of the photoelectric composite cable 17 are separated through a fiber distribution disc 4 and a fiber distribution disc 7 in the cabin penetrating part shell 10 respectively, a gap between the transmission optical fiber 3 and the transmission wire 6 is filled with the epoxy resin adhesive 5, and after the axial sealing effect is achieved, the transmission optical fiber 3 and the transmission wire 6 are folded through a fiber combination disc 2 and led out of the cabin penetrating part shell 10.
Referring to fig. 1, in practical application, a plurality of sealing gaskets are arranged in parallel in a cabin penetrating member shell 10 along the extending direction of a photoelectric composite cable 17, a retainer ring 12 is arranged between two adjacent sealing gaskets 13, a compression nut 16 is screwed at one end of the cabin penetrating member shell 10, through which the photoelectric composite cable 17 penetrates, a gasket 14 is arranged between the compression nut 16 and the sealing gasket 13, and when the compression nut 16 rotates, sliding friction is formed between the compression nut 16 and the gasket 14, and the retainer ring 12 and the sealing gasket 13 are compressed, so that the sealing gasket 13 is forced to deform to realize sealing of the photoelectric composite cable 17 and the cabin penetrating member shell 10.
Wherein, gland nut 16 passes through threaded connection with cabin-penetrating piece casing 10, gland nut 16 rotatory compresses tightly retaining ring 12 and sealed the pad 13, sealed pad 13 warp and compresses tightly the clearance between photoelectric composite cable oversheath and the packing ring 14, play the sealing action, sealed pad 13 adopts the silicon rubber material, retaining ring 12 adopts the polytetrafluoroethylene material, when gland nut 16 is rotatory, with the formation sliding friction between the packing ring 14, reduce the moment of torsion that transmits retaining ring 12 and sealed pad 13, thereby reduce the destruction of torsion to sealed pad 13, retaining ring 12 that sets up between sealed pad 13 can make the even distribution of pretightning force on 3 sealed pads 13, avoid 3 sealed pad 13 atresss inequality, reduce sealed effect.
Referring to fig. 1, it can be understood that a vulcanized sealing rubber 15 may be further covered between an outer surface of one end of the penetration module housing 10 through which the optical-electrical composite cable 17 penetrates and an outer sheath of the optical-electrical composite cable 17 at the end, and the penetration module housing 10 and the optical-electrical composite cable 17 are sealed by using the sealing gasket 13 and the vulcanized sealing rubber 15 to perform a radial sealing function.
Wherein, the sealing gasket 13 is made of silicon rubber material, the check ring 12 is made of polytetrafluoroethylene material, the vulcanized sealing rubber 15 is made of polyurethane material, and the vulcanized surfaces of the cabin penetrating piece shell 10 and the photoelectric composite cable 17 are coated with polyurethane adhesive to improve the bonding performance of the vulcanized sealing rubber 15 and the base material. In addition, the outer surface of one end of the cabin penetrating member shell 10 for penetrating the photoelectric composite cable 17 is conical, a plurality of annular grooves are arranged on the conical surface side by side, and vulcanized sealing rubber 15 is embedded into the annular grooves.
Specifically, a section of electric wire is selected from the transmission electric wire 6 at the sealing position of the epoxy resin adhesive 5, and the outer skin of the electric wire is removed by circular cutting, so that the water leakage of the gap between the outer skin of the electric wire and the core wire is prevented; the fiber combining disc 2 folds the transmission optical fiber 3 and the transmission wire 6, and the soft silicon rubber 1 is filled in the fiber combining disc 2, so that the transmission optical fiber 3 and the transmission wire 6 are prevented from being excessively bent and damaged.
Referring to fig. 1, in the embodiment of the present application, the cabin penetrating member housing 10 and the cabin wall are sealed by three sealing rings 9, and the sealing rings 9 are fastened and installed by connecting screws 11, and may be O-shaped sealing rings.
The photoelectric composite cable cabin-penetrating sealing structure has the following advantages: 1) the structure can resist high water pressure, and the structure meets the hydrostatic pressure requirements of 46MPa in the radial direction and the axial direction; 2) the sealing reliability is high, and the sealing redundancy design is adopted, so that the sealing reliability is improved.
Referring to fig. 1, a method for sealing a penetration of a photoelectric composite cable includes the following steps:
stripping the photoelectric composite cable, exposing the internal transmission optical fiber 3, the transmission wire 6 and the bearing aramid fiber 8, cutting off the bearing aramid fiber 8, and reserving a proper length according to requirements; sleeving the outer sheath of the photoelectric composite cable with a compression nut 16, a gasket 14, a retainer ring 12 and a sealing gasket 13 in sequence, screwing the compression nut 16 into the cabin penetrating piece shell 10, and screwing; sleeving the transmission optical fiber 3 and the transmission wire 6 into a distribution board 7, installing the distribution board 7 in place, and filling and sealing epoxy resin glue 5 in the distribution board 7; after the epoxy resin glue 5 is cured, sleeving the transmission optical fiber 3 and the transmission wire 6 into the fiber distribution plate 4, and filling the epoxy resin glue 5 between the fiber distribution plate 4 and the fiber distribution plate 7; after the epoxy resin adhesive 5 is cured, the transmission optical fiber 3 and the transmission wire 6 are sleeved into the fiber combination disc 2, and silicon rubber is filled and sealed in the fiber combination disc 2; when the tail vulcanized sealing rubber 15 is vulcanized, firstly, a polyurethane adhesive is coated on the outer surfaces of the cabin penetrating member shell 10 and the photoelectric composite cable 17, then, the cabin penetrating sealing structural member is installed in a vulcanization mold, and the prepared vulcanized sealing rubber 15 is poured into the vulcanization mold for vulcanization sealing; and (3) installing the cabin penetrating component shell 10 into a sealing hole reserved in the sealed cabin body, and connecting through a connecting screw 11.
The photoelectric composite cable cabin-penetrating sealing structure has the characteristics of high water pressure resistance and high sealing reliability, and passes radial and axial water pressure tests of 46 MPa.
The above examples are merely illustrative for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (8)
1. A penetration sealing method for a photoelectric composite cable is characterized by comprising the following steps:
stripping the photoelectric composite cable, exposing the internal transmission optical fiber (3), the transmission wire (6), the bearing aramid fiber (8), and cutting off the bearing aramid fiber (8) to reserve a proper length according to requirements;
sleeving the outer sheath of the photoelectric composite cable with a compression nut (16), a gasket (14), a retainer ring (12) and a sealing gasket (13) in sequence, screwing the compression nut (16) into the cabin penetrating piece shell (10), and screwing;
sleeving a transmission optical fiber (3) and a transmission wire (6) into a distribution board (7), installing the distribution board (7) in place, and encapsulating an epoxy resin adhesive (5) in the distribution board (7); after the epoxy resin glue (5) is cured, sleeving the transmission optical fiber (3) and the transmission wire (6) into the fiber distribution plate (4), and encapsulating the epoxy resin glue (5) between the fiber distribution plate (4) and the distribution plate (7);
after the epoxy resin glue (5) is cured, sleeving the transmission optical fiber (3) and the transmission wire (6) into the fiber combining disc (2), and encapsulating silicon rubber in the fiber combining disc (2);
when the tail vulcanized sealing rubber (15) is vulcanized, firstly, a polyurethane adhesive is coated on the outer surfaces of the cabin penetrating member shell (10) and the photoelectric composite cable (17), then, the cabin penetrating sealing structural member is installed in a vulcanization mold, and the prepared vulcanized sealing rubber (15) is poured into the vulcanization mold for vulcanization sealing;
finally, the cabin penetrating piece shell (10) is arranged in a sealing hole reserved in the sealing cabin body and is connected through a connecting screw (11);
a plurality of sealing gaskets (13) are arranged side by side, a retainer ring (12) is arranged between every two adjacent sealing gaskets (13), and when the compression nut (16) rotates, sliding friction is formed between the compression nut and the gasket (14) and the retainer ring (12) and the sealing gaskets (13) are compressed to force the sealing gaskets (13) to deform to realize sealing.
2. The utility model provides a cabin seal structure is worn to photoelectricity composite cable which characterized in that: the stripping device comprises a cabin penetrating piece shell (10) for stripping ends of the photoelectric composite cable to penetrate through, and a sealing gasket (13) is adopted between the cabin penetrating piece shell (10) and an outer sheath of the photoelectric composite cable (17) for radial sealing;
the bearing aramid fiber (8) of the photoelectric composite cable (17) is bonded in the cabin penetrating piece shell (10) through epoxy resin glue (5), and the tensile force of the photoelectric composite cable (17) is transmitted to the cabin penetrating piece shell (10);
the transmission optical fiber (3) and the transmission electric wire (6) of the photoelectric composite cable (17) are separated through a fiber distribution disc (4) and a fiber distribution disc (7) in the cabin penetrating piece shell (10), and after the gap between the transmission optical fiber (3) and the transmission electric wire (6) is filled with epoxy resin glue (5), the transmission optical fiber (3) and the transmission electric wire (6) are folded and led out of the cabin penetrating piece shell (10) through a fiber closing disc (2);
a plurality of sealing gaskets (13) are arranged side by side, a retainer ring (12) is arranged between every two adjacent sealing gaskets (13), a compression nut (16) is screwed at one end of the cabin penetrating piece shell (10) through which the photoelectric composite cable (17) penetrates, and a gasket (14) is arranged between the compression nut (16) and the sealing gasket (13);
when the compression nut (16) rotates, sliding friction is formed between the compression nut and the gasket (14), the retainer ring (12) and the sealing gasket (13) are compressed, and the sealing gasket (13) is forced to deform to realize sealing.
3. The optical-electrical composite cable cross-cabin sealing structure according to claim 2, characterized in that: vulcanized sealing rubber (15) covers between the outer surface of one end of the cabin penetrating piece shell (10) for the penetration of the photoelectric composite cable (17) and the outer sheath of the photoelectric composite cable (17) at the end.
4. The optical-electrical composite cable cross-cabin sealing structure according to claim 3, characterized in that: the sealing gasket (13) is made of silicon rubber material, the retainer ring (12) is made of polytetrafluoroethylene material, and the vulcanized sealing rubber (15) is made of polyurethane material.
5. The optical-electrical composite cable cross-cabin sealing structure according to claim 3, characterized in that: and polyurethane adhesive is coated on the vulcanized surfaces of the cabin penetrating piece shell (10) and the photoelectric composite cable (17).
6. The optical-electrical composite cable cross-cabin sealing structure according to claim 2, characterized in that: the transmission wire (6) is selected to be cut circularly at the sealing position of the epoxy resin glue (5) to remove the outer skin.
7. The optical-electrical composite cable cross-cabin sealing structure according to claim 2, characterized in that: silicon rubber is encapsulated in the fiber-synthesizing disc (2).
8. The optical-electrical composite cable cross-cabin sealing structure according to any one of claims 2 to 7, wherein: the cabin penetrating piece shell (10) and the cabin wall are sealed through a sealing ring (9) and are fixedly connected through a connecting screw (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948043.8A CN112332338B (en) | 2020-09-10 | 2020-09-10 | Cabin penetrating sealing method and structure for photoelectric composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948043.8A CN112332338B (en) | 2020-09-10 | 2020-09-10 | Cabin penetrating sealing method and structure for photoelectric composite cable |
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| CN112332338A CN112332338A (en) | 2021-02-05 |
| CN112332338B true CN112332338B (en) | 2022-03-04 |
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Families Citing this family (4)
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| CN113866346A (en) * | 2021-07-20 | 2021-12-31 | 海洋石油工程股份有限公司 | Monitoring devices is revealed to umbilical cable upper portion methyl alcohol |
| CN114035278B (en) * | 2021-09-30 | 2023-03-07 | 中天科技海缆股份有限公司 | Optical fiber connecting device |
| CN113960725B (en) * | 2021-11-05 | 2023-05-16 | 长沙军民先进技术研究有限公司 | High-pressure-resistant fiber cabin penetrating connector sealed by combined glue and sealing method |
| CN113904286A (en) * | 2021-12-13 | 2022-01-07 | 江苏亨通海洋光网系统有限公司 | High-pressure cabin-penetrating sealing structure and method for submarine cable test |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8513543B1 (en) * | 2012-02-21 | 2013-08-20 | Asia Tai Technology Co., Ltd. | Water-proofing cable connector |
| CN205319671U (en) * | 2015-12-22 | 2016-06-15 | 广东中德电缆有限公司 | Cable switching punishment line encapsulating structure |
| CN205646699U (en) * | 2016-04-29 | 2016-10-12 | 武汉浩瀚机电设备有限公司 | Watertight crossing cabin load -bearing device |
| CN108071871A (en) * | 2016-11-17 | 2018-05-25 | 中国科学院沈阳自动化研究所 | A kind of underwater sealing wall-through structure |
| CN209169920U (en) * | 2018-12-20 | 2019-07-26 | 中国船舶重工集团公司七五0试验场 | A kind of sealing structure of underwater polyethylene optoelectronic composite cable |
| CN109842085A (en) * | 2019-03-22 | 2019-06-04 | 中国科学院声学研究所 | A kind of pressure balance type seabed master base station photoelectric separating apparatus |
| CN110768186B (en) * | 2019-11-27 | 2020-12-29 | 武汉线谱减振科技有限责任公司 | Deep sea cable crossing cabin combined type self-sealing structure |
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